Focal properties of cylindrically polarized axisymmetric Bessel- modulated Gaussian beams by a high NA parabolic mirror

被引：2
|
作者：
Umamageswari, N. [1 ]
Udhayakumar, M. [2 ]
Rajesh, K. B. [2 ]
Jaroszewicz, Z. [3 ,4 ]
机构：
[1] Bharathiar Univ, Dept Phys, R&D Ctr, Coimbatore, Tamil Nadu, India
[2] Chikkanna Govt Arts Coll, Dept Phys, Tiruppur, Tamil Nadu, India
[3] Inst Appl Opt, Dept Phys Opt, Warsaw, Poland
[4] Natl Inst Telecommun, Warsaw, Poland
来源：
OPTICAL AND QUANTUM ELECTRONICS | 2017年 / 49卷 / 05期
关键词：
Focusing properties; Axisymmetric Bessel-modulated Gaussian beam; Vector diffraction theory; High NA parabolic mirror; SINGLE PENTACENE MOLECULES; SPECTROSCOPY; TERPHENYL; FOCUS; FIELD;
D O I：
10.1007/s11082-017-1026-3
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Focusing properties of the cylindrical vector axisymmetric Bessel-modulated Gaussian beam with quadratic radial phase dependence (QBG beam) in high numerical aperture parabolic mirror system is investigated theoretically by vector diffraction theory. Results show that intensity distribution in focal region can be altered considerably by beam parameter mu and polarization angle. The tightly focused cylindrically polarized axial symmetric Bessel-modulated Gaussian beams by a high numerical aperture parabolic mirror have possible applications in particle acceleration, optical trapping and manipulating, single molecule imaging and high resolution imaging microscopy.
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页数：7
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